Other
Solovey: List of Major Ukrainian Political Parties
This site offers a chart which includes all of Ukraine's political parties. It is very helpful, including official websites for parties, summaries of party ideologies, and party chairmen.
PBS
Pbs Online News Hour: Green Party History
PBS Online provides this profile of the Green Party in the United States and other nations.
Wikimedia
Wikipedia: Green Party of the United States
This site from the encyclopedia Wikipedia provides an overview and history of the Green Party of the United States. Gives a definition and a good historical description.
Other
Libertarian Party of Canada
The Libertarian Party of Canada is a party that articulates a political ideology where a government is restrained and people are "free" to pursue property rights and personal "freedom". It is a small party that attempts to run candidates...